uv/crates/uv-virtualenv/src/main.rs

76 lines
2.1 KiB
Rust

use std::error::Error;
use std::path::PathBuf;
use std::process::ExitCode;
use std::time::Instant;
use anstream::eprintln;
use clap::Parser;
use directories::ProjectDirs;
use tracing::info;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::util::SubscriberInitExt;
use tracing_subscriber::{fmt, EnvFilter};
use uv_cache::Cache;
use uv_interpreter::{find_default_python, find_requested_python};
use uv_virtualenv::{create_bare_venv, Prompt};
#[derive(Parser, Debug)]
struct Cli {
path: Option<PathBuf>,
#[clap(short, long)]
python: Option<String>,
#[clap(long)]
prompt: Option<String>,
#[clap(long)]
system_site_packages: bool,
}
fn run() -> Result<(), uv_virtualenv::Error> {
let cli = Cli::parse();
let location = cli.path.unwrap_or(PathBuf::from(".venv"));
let cache = if let Some(project_dirs) = ProjectDirs::from("", "", "uv-virtualenv") {
Cache::from_path(project_dirs.cache_dir())?
} else {
Cache::from_path(".cache")?
};
let interpreter = if let Some(python_request) = &cli.python {
find_requested_python(python_request, &cache)?.ok_or(
uv_interpreter::Error::NoSuchPython(python_request.to_string()),
)?
} else {
find_default_python(&cache, false)?
};
create_bare_venv(
&location,
&interpreter,
Prompt::from_args(cli.prompt),
cli.system_site_packages,
Vec::new(),
)?;
Ok(())
}
fn main() -> ExitCode {
tracing_subscriber::registry()
.with(fmt::layer())
.with(EnvFilter::from_default_env())
.init();
let start = Instant::now();
let result = run();
info!("Took {}ms", start.elapsed().as_millis());
if let Err(err) = result {
eprintln!("💥 virtualenv creator failed");
let mut last_error: Option<&(dyn Error + 'static)> = Some(&err);
while let Some(err) = last_error {
eprintln!(" Caused by: {err}");
last_error = err.source();
}
ExitCode::FAILURE
} else {
ExitCode::SUCCESS
}
}